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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
MODULES_OPTIONAL_IUSE=modules
inherit autotools bash-completion-r1 linux-mod-r1 systemd
DESCRIPTION="IPset tool for iptables, successor to ippool"
HOMEPAGE="https://ipset.netfilter.org/ https://git.netfilter.org/ipset/"
SRC_URI="https://ipset.netfilter.org/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 arm arm64 ~loong ppc ppc64 ~riscv x86"
RDEPEND="
net-firewall/iptables
net-libs/libmnl:=
"
DEPEND="${RDEPEND}"
BDEPEND="virtual/pkgconfig"
DOCS=( ChangeLog INSTALL README UPGRADE )
# configurable from outside, e.g. /etc/portage/make.conf
IP_NF_SET_MAX=${IP_NF_SET_MAX:-256}
PATCHES=(
"${FILESDIR}/${PN}-bash-completion.patch"
"${FILESDIR}/${P}-asan-buffer-overflow.patch"
"${FILESDIR}/${P}-argv-bounds.patch"
)
src_prepare() {
default
eautoreconf
}
pkg_setup() {
get_version
CONFIG_CHECK="NETFILTER"
ERROR_NETFILTER="ipset requires NETFILTER support in your kernel."
CONFIG_CHECK+=" NETFILTER_NETLINK"
ERROR_NETFILTER_NETLINK="ipset requires NETFILTER_NETLINK support in your kernel."
# It does still build without NET_NS, but it may be needed in future.
#CONFIG_CHECK="${CONFIG_CHECK} NET_NS"
#ERROR_NET_NS="ipset requires NET_NS (network namespace) support in your kernel."
CONFIG_CHECK+=" !PAX_CONSTIFY_PLUGIN"
ERROR_PAX_CONSTIFY_PLUGIN="ipset contains constified variables (#614896)"
build_modules=0
if use modules; then
if linux_config_src_exists && linux_chkconfig_builtin "MODULES" ; then
if linux_chkconfig_present "IP_NF_SET" || \
linux_chkconfig_present "IP_SET"; then #274577
eerror "There is IP{,_NF}_SET or NETFILTER_XT_SET support in your kernel."
eerror "Please either build ipset with modules USE flag disabled"
eerror "or rebuild kernel without IP_SET support and make sure"
eerror "there is NO kernel ip_set* modules in /lib/modules/<your_kernel>/... ."
die "USE=modules and in-kernel ipset support detected."
else
einfo "Modular kernel detected. Gonna build kernel modules..."
build_modules=1
fi
else
eerror "Nonmodular kernel detected, but USE=modules. Either build"
eerror "modular kernel (without IP_SET) or disable USE=modules"
die "Nonmodular kernel detected, will not build kernel modules"
fi
fi
[[ ${build_modules} -eq 1 ]] && linux-mod-r1_pkg_setup
}
src_configure() {
export bashcompdir="$(get_bashcompdir)"
econf \
--enable-bashcompl \
$(use_with modules kmod) \
--with-maxsets=${IP_NF_SET_MAX} \
--with-ksource="${KV_DIR}" \
--with-kbuild="${KV_OUT_DIR}"
}
src_compile() {
einfo "Building userspace"
local modlist=( xt_set=kernel/net/netfilter/ipset/:"${S}":kernel/net/netfilter/:
em_ipset=kernel/net/sched:"${S}":kernel/net/sched/:modules )
for i in ip_set{,_bitmap_{ip{,mac},port},_hash_{ip{,mac,mark,port{,ip,net}},mac,net{,port{,net},iface,net}},_list_set}; do
modlist+=( ${i}=kernel/net/netfilter/ipset/:"${S}":kernel/net/netfilter/ipset )
done
emake
if [[ ${build_modules} -eq 1 ]]; then
einfo "Building kernel modules"
linux-mod-r1_src_compile
fi
}
src_install() {
einfo "Installing userspace"
default
find "${ED}" -name '*.la' -delete || die
newinitd "${FILESDIR}"/ipset.initd-r7 ${PN}
newconfd "${FILESDIR}"/ipset.confd-r1 ${PN}
systemd_newunit "${FILESDIR}"/ipset.systemd-r1 ${PN}.service
keepdir /var/lib/ipset
if [[ ${build_modules} -eq 1 ]]; then
einfo "Installing kernel modules"
linux-mod-r1_src_install
fi
}
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